Collection engines perform a variety of data-gathering tasks , all intended to find unknown assets and lightly gather enough information to determine security-posture for these assets.
The gathered information analyzed by our research team. and proactively published to the owners of this information. No collection task performed requires authorized access. It is intentionally designed to be "light."
While you may have seen some alerts from your IDS or WAF, these are benign flags, and are not indicative of malicious behavior.